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____________ class accepts the values that the ModelCountMapper object has collected.(a) AvroReducer(b) Mapper(c) AvroMapper(d) None of the mentionedThis question was posed to me during an internship interview.The origin of the question is Serialization topic in section Hadoop I/O of Hadoop |
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Answer» RIGHT answer is (a) AVROREDUCER Explanation: AvroReducer SUMMARIZES them by looping through the VALUES. |
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